Friday, March5, 2021
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Marine Weather and Tides
Avalon, NJ

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:22AMSunset 5:56PM Friday March 5, 2021 1:55 PM EST (18:55 UTC) Moonrise 1:24AMMoonset 11:22AM Illumination 54% Phase: Third Quarter Moon; Moon at 22 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ453 Coastal Waters From Great Egg Inlet To Cape May Nj Out 20 Nm- 102 Pm Est Fri Mar 5 2021
.small craft advisory in effect through Saturday afternoon...
This afternoon..NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. SWell mainly from the nw with a dominant period of 5 seconds.
Tonight..NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the late evening and overnight. Gusts up to 30 kt. Seas 3 to 5 ft. SWell mainly from the nw with a dominant period of 5 seconds.
Sat..W winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. SWell mainly from the nw with a dominant period of 4 seconds.
Sat night..NW winds 10 to 15 kt. Gusts up to 20 kt until early morning. Seas around 3 ft in the evening, then 2 ft or less. SWell mainly from the nw with a dominant period of 4 seconds.
Sun..NW winds 10 to 15 kt. Seas around 3 ft in the morning, then 2 ft or less.
Sun night..N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 ft or less, then around 3 ft after midnight.
Mon..NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas around 3 ft in the morning, then 2 ft or less.
Mon night..SW winds 10 to 15 kt. Seas 2 ft or less.
Tue..SW winds 10 to 15 kt. Seas around 3 ft in the morning, then 2 ft or less.
Tue night..SW winds 10 to 15 kt. Seas 2 ft or less, then around 3 ft after midnight.
ANZ400 102 Pm Est Fri Mar 5 2021
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure across south central canada and low pressure across quebec will continue to usher cold and dry air across the middle atlantic through the weekend. The high will build across the area through Monday before moving offshore Tuesday. Low pressure and an associated front will arrive for the late part of next week.


7 Day Forecast for Marine Location Near Avalon , NJ
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location: 39.11, -74.74     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 051725 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 1225 PM EST Fri Mar 5 2021

SYNOPSIS. High pressure across south central Canada and low pressure across Quebec will continue to usher cold and dry air across the Middle Atlantic through the weekend. The high will build across the area through Monday before moving offshore Tuesday. Low pressure and an associated front will arrive for the late part of next week.

NEAR TERM /THROUGH TONIGHT/. A cold, dry, windy day remains on tap for the region. No significant changes, to the forecast, though lowered surface dew points by a few degrees going into the afternoon.

Otherwise, a high-amplitude upper-level pattern continues across North America, with a nearly stationary upper low in the Maritime Provinces and high-latitude ridging in western/central Canada, with a surface high slowly seeping southward through the Canadian prairies and a surface low positioned underneath the upper-level low. This continues to leave a reasonably strong pressure gradient across the Northeast early this morning, and is keeping surface winds quite elevated. Moreover, quite robust cold/dry advection continues across the region with a deep northwesterly fetch and reinforcing midlevel vorticity maxima bringing a couple of surges of colder air through the region.

Surface dew points have responded, with current readings in the single digits across virtually the entire CWA. These will lower slightly during the day as stronger mixing from diabatic heating occurs, allowing for the meteorological aspects of fire- weather conditions to be met easily today. More on the fire- weather concerns in its own section below.

With model soundings depicting continued mixing to 850 mb or so today, expect winds to remain 15 to 25 mph with gusts up to 35 mph or so. Highs will be unseasonably cold, with 20s in the Poconos, 30s in most of the rest of Pennsylvania and New Jersey, and low 40s in Delmarva. Wind chills this morning will be in the single digits and teens (below zero in the Poconos), so bundle up.

The pressure gradient will begin to weaken during the overnight hours, so we are expecting winds to lose much of their gustiness. However, the gradient will remain strong enough to keep a steady surface flow, and this will prevent temperatures from bottoming out. Lows may actually be a few degrees warmer than those seen this morning, especially if wind directions shift slightly more westerly. Meanwhile, another vort max will approach the region late tonight, with deterministic models showing a low-cloud deck moving into the Poconos. Usually these are accompanied by some flurries, so added these to the forecast for this area, mainly after midnight.

SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/. Fair and cold this weekend with below normal temperatures through the period. Highs both Sat and Sun will be close to 40 for the Delmarva and metro Philly areas while low to mid 30s will be across the northern and western areas. Lows mostly in the 20s with teens N/W. So, overall, 5 to 10 degrees below normal. Gusty winds will be over the area the first part of Saturday, but will then settle down for Sunday.

LONG TERM /MONDAY THROUGH THURSDAY/. The high pressure will slowly build Monday and then move offshore Tue/Wed. This means several more days of sunny days and mostly clear nights. Temperatures will pop back to normal Monday and then go well above normal for Tue and Wed. Highs Wed will be in the low/mid 60s for the Philly areas as well as southern NJ and Delmarva. Up across the north, max temps will be in the upper 50s to low 60s.

The warm weather will continue Thu, with readings possibly topping those of Wed. It looks as though an approaching low pressure system and front will bring slight chc or low chance for showers across the northern areas. The 00Z EC model is showing better chc for this with the CMC and GFS keeping precip further north across NY or NE. Plenty of time to watch as we enjoy the preview of spring.

AVIATION /18Z FRIDAY THROUGH WEDNESDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

This afternoon . VFR with northwest winds 10 to 20 kt with gusts up to 30 kt. High confidence.

Tonight . VFR with northwest winds 5 to 15 kt, possibly becoming slightly more westerly overnight. High confidence.

Outlook .

Sat . VFR. Skies mostly clear. Gusty west winds during into the early afternoon.

Sat night thru Tue . VFR with mostly clear skies.

MARINE. Strong northwest winds continue on the waters. As expected, there has been an occasional gust to 35 kt or so, especially on the northern New Jersey coast, but conditions are predominantly in the advisory category and should remain so today. A brief gust to gale force may occur, and we will continue to monitor for the need of a localized/short-fused upgrade.

Winds should gradually diminish tonight, but suspect they will remain well above advisory thresholds given the favorable low-level thermodynamic profiles and channeling effects in Delaware Bay.

Outlook .

Winds and seas lowering back below SCA criteria Saturday, so flag was extended until 18Z Sat (for now). sub-SCA conditions should round out the remainder of the forecast period with high pressure across the waters. Fair weather into the middle of next week.

FIRE WEATHER. Strong cold and dry advection the past 24 hours has led to surface dew points in the single digits. With continued northwest winds of 15 to 25 mph and higher gusts, both winds and relative humidity will easily reach fire-weather criteria today. However, in coordination with fire-weather partners on Thursday, it appears fuels remain insufficiently dry to reach critical fire-weather thresholds. As such, there will not be any products or special weather statements. Coordination with partners will continue today to monitor the threat.

Conditions will improve only slightly this weekend, as winds will be somewhat lower and dew points will begin to increase slowly. Nevertheless, a prolonged dry and breezy period is expected, requiring close monitoring of the fire-weather threat for the next several days.

PHI WATCHES/WARNINGS/ADVISORIES. PA . None. NJ . None. DE . None. MD . None. MARINE . Small Craft Advisory until 1 PM EST Saturday for ANZ430-431- 450>455.

Synopsis . O'Hara Near Term . CMS/MPS Short Term . O'Hara Long Term . O'Hara Aviation . CMS/MPS/O'Hara Marine . CMS/MPS/O'Hara Fire Weather . WFO PHI


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CMAN4 - 8536110 - Cape May, NJ 15 mi56 min WNW 24 G 31 35°F 40°F1014.9 hPa (-2.0)
BRND1 - 8555889 - Brandywine Shoal Light, DE 22 mi56 min NW 19 G 23 1015.4 hPa (-1.9)
ACYN4 - 8534720 - Atlantic City, NJ 24 mi56 min 37°F 40°F1014 hPa (-1.9)
LWSD1 - 8557380 - Lewes, DE 30 mi56 min NW 24 G 28 35°F 41°F1015.6 hPa (-2.0)
JCRN4 - Jacques Cousteau Reserve, NJ 33 mi86 min S 9.9 36°F 1015 hPa0°F
SJSN4 - 8537121 - Ship John Shoal, NJ 36 mi56 min WNW 23 G 25 34°F 38°F1015.8 hPa (-2.0)
DRSD1 - Delaware Reserve, DE 37 mi86 min WNW 11 36°F 1017 hPa8°F
44009 - DELAWARE BAY 26 NM Southeast of Cape May, NJ 45 mi66 min 5 ft

Wind History for Cape May, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wildwood, Cape May County Airport, NJ11 mi60 minWNW 15 G 2410.00 miFair35°F9°F34%1015.6 hPa

Link to 5 minute data for KWWD

Wind History from WWD (wind in knots)
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NW7NW7NW5W3SW3SW5SW5CalmSW6SW7SW7SW10SW8SW7SW9SW10SW11SW15W10W9
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Tide / Current Tables for Ingram Thorofare, New Jersey
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Ingram Thorofare
Click for Map
Fri -- 12:24 AM EST     Moonrise
Fri -- 12:35 AM EST     4.37 feet High Tide
Fri -- 06:25 AM EST     Sunrise
Fri -- 06:59 AM EST     0.09 feet Low Tide
Fri -- 10:22 AM EST     Moonset
Fri -- 01:01 PM EST     3.60 feet High Tide
Fri -- 05:56 PM EST     Sunset
Fri -- 07:10 PM EST     0.21 feet Low Tide
Fri -- 08:32 PM EST     Last Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.34.33.82.81.80.90.30.10.31.122.83.43.63.32.61.710.40.20.411.92.9

Tide / Current Tables for Dennis Creek, Route 47 bridge, Delaware Bay, New Jersey
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Dennis Creek
Click for Map
Fri -- 12:24 AM EST     Moonrise
Fri -- 02:59 AM EST     5.52 feet High Tide
Fri -- 06:25 AM EST     Sunrise
Fri -- 08:45 AM EST     0.09 feet Low Tide
Fri -- 10:22 AM EST     Moonset
Fri -- 03:24 PM EST     4.27 feet High Tide
Fri -- 05:56 PM EST     Sunset
Fri -- 08:32 PM EST     Last Quarter
Fri -- 08:51 PM EST     0.01 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.44.55.35.55.14.22.81.30.30.10.51.22.13.13.84.24.23.52.51.30.300.41.2

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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